$ git clone -n https://src.fedoraproject.org/rpms/python-samloader.git /var/lib/mock/f45-build-32868-664/root/chroot_tmpdir/scmroot/python-samloader
Cloning into '/var/lib/mock/f45-build-32868-664/root/chroot_tmpdir/scmroot/python-samloader'...
$ git fetch origin 1d08c100eb8c606b1086b0f30c08188f2073ddd7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-samloader
 * [new ref]         1d08c100eb8c606b1086b0f30c08188f2073ddd7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d08c10 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild